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<li class="toctree-l1"><a class="reference internal" href="start/intro/">Ceph 简介</a></li>
<li class="toctree-l1"><a class="reference internal" href="install/">安装 Ceph</a></li>
<li class="toctree-l1"><a class="reference internal" href="cephadm/">Cephadm</a></li>
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  <p class="last">This document is for a development version of Ceph.</p>
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<h1>欢迎来到 Ceph 世界<a class="headerlink" href="#ceph" title="Permalink to this headline">¶</a></h1>
<p>Ceph 独一无二地在一个统一的系统中同时提供了<strong>对象、块、和文件存储功能</strong>。</p>
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<h3>Ceph 对象存储</h3><ul class="simple">
<li><p>REST 风格的接口</p></li>
<li><p>与 S3 和 Swift 兼容的 API</p></li>
<li><p>S3 风格的子域</p></li>
<li><p>统一的 S3/Swift 命名空间</p></li>
<li><p>用户管理</p></li>
<li><p>利用率跟踪</p></li>
<li><p>条带化对象</p></li>
<li><p>云解决方案集成</p></li>
<li><p>多站点部署</p></li>
<li><p>多站点复制</p></li>
</ul>
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<h3>Ceph Block Device</h3><ul class="simple">
<li><p>瘦接口支持</p></li>
<li><p>映像尺寸最大 16EB</p></li>
<li><p>条带化可定制</p></li>
<li><p>内存缓存</p></li>
<li><p>快照</p></li>
<li><p>写时复制克隆</p></li>
<li><p>支持内核级驱动</p></li>
<li><p>支持 KVM 和 libvirt</p></li>
<li><p>可作为云解决方案的后端</p></li>
<li><p>增量备份</p></li>
<li><p>灾难恢复（多站点异步复制）</p></li>
</ul>
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<h3>Ceph 文件系统</h3><ul class="simple">
<li><p>与 POSIX 兼容的语义</p></li>
<li><p>元数据独立于数据</p></li>
<li><p>动态重均衡</p></li>
<li><p>子目录快照</p></li>
<li><p>可配置的条带化</p></li>
<li><p>有内核驱动支持</p></li>
<li><p>有用户空间驱动支持</p></li>
<li><p>可作为 NFS/CIFS 部署</p></li>
<li><p>可用于 Hadoop （取代 HDFS ）</p></li>
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<p>详情见 <a class="reference external" href="radosgw">Ceph 对象存储</a>。</p>
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<p>详情见 <a class="reference external" href="rbd">Ceph 块设备</a>。</p>
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<p>详情见 <a class="reference external" href="cephfs">Ceph 文件系统</a>。</p>
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</div>
<p>它可靠性高、管理简单，并且是开源软件。
Ceph 的强大可以改变您公司的 IT 基础架构和海量数据管理能力。
想试试 Ceph 的话看<a class="reference external" href="install">入门</a>手册；
想深入理解可以看<a class="reference external" href="architecture">体系结构</a>一节。</p>
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